- Built in 1957
- Location: Sarnia, ON to Westover, ON
- Approved for: light synthetics, sweet, light & high sour, medium, heavy crude
- Capacity: 180,000bpd
- Direction of Flow: West to East
- Recent Activity: In Summer 2013, the NEB approved Enbridge’s application to increase the capacity of Line 7 from 147,000 to 180,000 bpd and ship heavy crude.